diff --git a/csaxs_bec/device_configs/bl_endstation.yaml b/csaxs_bec/device_configs/bl_endstation.yaml
index 4f42bf4..79856ed 100644
--- a/csaxs_bec/device_configs/bl_endstation.yaml
+++ b/csaxs_bec/device_configs/bl_endstation.yaml
@@ -1039,7 +1039,7 @@ gain_bpm_xbox2:
     gain_lsb: galilrioesxbox.digital_out.ch0  # Pin 10 -> Galil ch0
     gain_mid: galilrioesxbox.digital_out.ch1  # Pin 11 -> Galil ch1
     gain_msb: galilrioesxbox.digital_out.ch2  # Pin 12 -> Galil ch2
-    coupling: galilrioesxbox.digital_out.ch3  # Pin 13 -> Galil ch3
+    coupling_ref: galilrioesxbox.digital_out.ch3  # Pin 13 -> Galil ch3
     speed_mode: galilrioesxbox.digital_out.ch4  # Pin 14 -> Galil ch4
   enabled: true
   readoutPriority: baseline
@@ -1068,7 +1068,7 @@ gain_bim_xbox3:
     gain_lsb: galilrioesxbox.digital_out.ch6  # Pin 10 -> Galil ch0
     gain_mid: galilrioesxbox.digital_out.ch7  # Pin 11 -> Galil ch1
     gain_msb: galilrioesxbox.digital_out.ch8  # Pin 12 -> Galil ch2
-    coupling: galilrioesxbox.digital_out.ch9  # Pin 13 -> Galil ch3
+    coupling_ref: galilrioesxbox.digital_out.ch9  # Pin 13 -> Galil ch3
     speed_mode: galilrioesxbox.digital_out.ch10  # Pin 14 -> Galil ch4
   enabled: true
   readoutPriority: baseline
@@ -1112,7 +1112,7 @@ gain_beamstop_diode:
     gain_lsb: galilrioesft.digital_out.ch0  # Pin 10 -> Galil ch0
     gain_mid: galilrioesft.digital_out.ch1  # Pin 11 -> Galil ch1
     gain_msb: galilrioesft.digital_out.ch2  # Pin 12 -> Galil ch2
-    coupling: galilrioesft.digital_out.ch3  # Pin 13 -> Galil ch3
+    coupling_ref: galilrioesft.digital_out.ch3  # Pin 13 -> Galil ch3
     speed_mode: galilrioesft.digital_out.ch4  # Pin 14 -> Galil ch4
   enabled: true
   readoutPriority: baseline
diff --git a/csaxs_bec/device_configs/bl_optics_hutch.yaml b/csaxs_bec/device_configs/bl_optics_hutch.yaml
index 3b339ff..ec5d147 100644
--- a/csaxs_bec/device_configs/bl_optics_hutch.yaml
+++ b/csaxs_bec/device_configs/bl_optics_hutch.yaml
@@ -356,7 +356,7 @@ galilrioop:
 #     gain_lsb: galilrioop.digital_out.ch0  # Pin 10 -> Galil ch0
 #     gain_mid: galilrioop.digital_out.ch1  # Pin 11 -> Galil ch1
 #     gain_msb: galilrioop.digital_out.ch2  # Pin 12 -> Galil ch2
-#     coupling: galilrioop.digital_out.ch3  # Pin 13 -> Galil ch3
+#     coupling_ref: galilrioop.digital_out.ch3  # Pin 13 -> Galil ch3
 #     speed_mode: galilrioop.digital_out.ch4  # Pin 14 -> Galil ch4
 #   enabled: true
 #   readoutPriority: monitored
@@ -385,7 +385,7 @@ gain_diodes_xbox1:
     gain_lsb: galilrioop.digital_out.ch6  # Pin 10 -> Galil ch0
     gain_mid: galilrioop.digital_out.ch7  # Pin 11 -> Galil ch1
     gain_msb: galilrioop.digital_out.ch8  # Pin 12 -> Galil ch2
-    coupling: galilrioop.digital_out.ch9  # Pin 13 -> Galil ch3
+    coupling_ref: galilrioop.digital_out.ch9  # Pin 13 -> Galil ch3
     speed_mode: galilrioop.digital_out.ch10  # Pin 14 -> Galil ch4
   enabled: true
   readoutPriority: baseline
diff --git a/csaxs_bec/devices/pseudo_devices/bpm_control.py b/csaxs_bec/devices/pseudo_devices/bpm_control.py
index 63cb198..288732e 100644
--- a/csaxs_bec/devices/pseudo_devices/bpm_control.py
+++ b/csaxs_bec/devices/pseudo_devices/bpm_control.py
@@ -50,7 +50,7 @@ class BPMControl(PSIPseudoDeviceBase):
     """
     BPM amplifier control pseudo device. It is responsible for controlling the
     gain and coupling for the BPM amplifier. It relies on signals from a device
-    in BEC to be available. For cSAXS, these are most liikely to be from the
+    in BEC to be available. For cSAXS, these are most likely to be from the
     GalilRIO device that controls the BPM amplifier.
 
     Args:
@@ -97,7 +97,7 @@ class BPMControl(PSIPseudoDeviceBase):
         gain_lsb: str,
         gain_mid: str,
         gain_msb: str,
-        coupling: str,
+        coupling_ref: str,
         speed_mode: str,
         device_manager: DeviceManagerDS | None = None,
         scan_info: ScanInfo | None = None,
@@ -116,7 +116,7 @@ class BPMControl(PSIPseudoDeviceBase):
             object_name=gain_msb, signal_name=self.name, device_manager=device_manager
         )
         self._coupling = self.gain.get_device_object_from_bec(
-            object_name=coupling, signal_name=self.name, device_manager=device_manager
+            object_name=coupling_ref, signal_name=self.name, device_manager=device_manager
         )
         self._speed_mode = self.gain.get_device_object_from_bec(
             object_name=speed_mode, signal_name=self.name, device_manager=device_manager
diff --git a/tests/tests_devices/test_pseudo_devices.py b/tests/tests_devices/test_pseudo_devices.py
index 632fa92..336e67c 100644
--- a/tests/tests_devices/test_pseudo_devices.py
+++ b/tests/tests_devices/test_pseudo_devices.py
@@ -43,7 +43,7 @@ def bpm_control(patched_dm):
             "gain_lsb": "gain_lsb",
             "gain_mid": "gain_mid",
             "gain_msb": "gain_msb",
-            "coupling": "coupling",
+            "coupling_ref": "coupling",
             "speed_mode": "speed_mode",
         },
         needs=["gain_lsb", "gain_mid", "gain_msb", "coupling", "speed_mode"],
@@ -55,7 +55,7 @@ def bpm_control(patched_dm):
             gain_lsb="gain_lsb",
             gain_mid="gain_mid",
             gain_msb="gain_msb",
-            coupling="coupling",
+            coupling_ref="coupling",
             speed_mode="speed_mode",
             device_manager=patched_dm,
         )